Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1033280AbbKFNJx (ORCPT ); Fri, 6 Nov 2015 08:09:53 -0500 Received: from mail-wi0-f176.google.com ([209.85.212.176]:33609 "EHLO mail-wi0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932824AbbKFNJv (ORCPT ); Fri, 6 Nov 2015 08:09:51 -0500 Date: Fri, 6 Nov 2015 13:09:48 +0000 From: Matt Fleming To: Andy Lutomirski Cc: Ingo Molnar , Linus Torvalds , Stephen Smalley , Dave Jones , Linux Kernel Mailing List , Thomas Gleixner , "H. Peter Anvin" , Borislav Petkov , Andrew Morton , Andy Lutomirski , Denys Vlasenko , Kees Cook , linux-efi@vger.kernel.org Subject: Re: [GIT PULL] x86/mm changes for v4.4 Message-ID: <20151106130948.GD2651@codeblueprint.co.uk> References: <20151103111649.GA3477@gmail.com> <20151104233907.GA25925@codemonkey.org.uk> <20151105021710.GA22941@codemonkey.org.uk> <20151106065549.GA2031@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 826 Lines: 18 On Thu, 05 Nov, at 11:05:35PM, Andy Lutomirski wrote: > > Admittedly, we might need to use a certain amount of care to avoid > interesting conflicts with the vmap mechanism. We might need to vmap > all of the EFI stuff, and possibly even all the top-level entries that > contain EFI stuff (i.e. exactly one of them unless EFI ends up *huge*) > as a blank not-present region to avoid overlaps, but that's not a big > deal. There shouldn't be any room for conflicting with vmap() because the VA region where we map EFI regions is still carved out especially for us. Right Boris? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/